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Table 3 CTV prescription (3 Gy (RBE) of CTV1 and 2.7 Gy (RBE) of CTV2) in LEM plans (LEM prescription) and corresponding conversion factor of 20 patients

From: RBE-weighted dose conversions for patients with recurrent nasopharyngeal carcinoma receiving carbon-ion radiotherapy from the local effect model to the microdosimetric kinetic model

LEM prescription

Conversion factor

P01–P20

3.0 Gy (RBE)

1.35

1.38

1.33

1.37

1.38

1.40

1.36

1.34

1.38

1.39

1.39

1.37

1.39

1.36

1.39

1.36

1.38

1.39

1.38

1.35

2.7 Gy (RBE)

1.67

1.45

1.42

1.47

1.45

1.45

1.45

1.44

1.44

1.45

1.47

1.46

1.47

1.44

1.46

1.41

1.44

1.45

1.46

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